1. Center for Brain, Mind, and KANSEI Sciences Research, Hiroshima University , 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551 , Japan
2. Mazda Motor Corporation , 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima, 730-8670 , Japan
3. Office of Academic Research and Industry-Academia-Government and Community Collaboration , Hiroshima University, 1-3-2, Kagamiyama, Higashi-Hiroshima, 739-8511 , Japan